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Effects of Different Land Use Patterns on Soil Inorganic Carbon inAlpine Meadow Ecosystem
Authors
刘哲
徐世晓
+4 more
李奇
赵亮
赵新全
陈懂懂
Publication date
1 January 2016
Publisher
Abstract
[目的]探明土地利用方式对高寒草甸生态系统土壤无机碳含量及储量的影响,为青藏高原区域碳增汇原理及草地管理实践提供科学支撑。[方法]选取围栏封育地、自由放牧地、多年生人工草地、补播地及黑土滩型退化草地5类不同土地利用类型,对无机碳的含量和储量、土壤主要理化性质的变化及其相关性进行比较分析。[结果]在高寒草甸生态系统中,无机碳含量较低且不同土地利用下土壤无机碳的储量(以C含量表示)有显著差异,表现为多年生人工草地(3 381.28kg/hm2)>围栏封育地(739.27kg/hm2)>自由放牧地(712.12kg/hm2)>补播地(647.64kg/hm2)>黑土滩型退化草地(361.26kg/h..
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Last time updated on 21/11/2017